Vehicle Compatibility: When it's a brake pedal platen tool, compatible with heavy duty trucks, replaces 21520 When it's a hood thruster, compatible with all cars and trucks, replaces 45900. Size: When it is a brake pedal platen tool: 16.5 inches to 40.8 inches. When it is a hood thruster: 15.8 in. to 40.5 in. Sturdy and Adjustable: Designed to be rugged and adjustable, the Brake Pedal Compactor Tool ensures that the brake pedal is held safely and securely without assistance while performing maintenance tasks. With a three-stage design, you can pull it to any size you want. Durable and Reliable: The Brake Pedal Depression Tool ensures that the brake pedal remains in the depressed position, providing an easier and safer working environment during brake system maintenance, bleeding or other related tasks. It is rugged and can withstand any pedal pressure. Name:Brake Pedal Depressor Tool Type:Truck Pedal Depressor Universally Type:Truck brake pedal pressure plate Type:Truck pedal pressure plate Part Number:21520 Compatible:Most Vehicles Replaces Colour:Black Material:Metal Package Contents: 1 * Brake Pedal Depressor Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.